Home / 135,629,240.41-203,187,852.41-80,131,478.25

Finding the Fourth Proportional to 135,629,240.41, 203,187,852.41 and 80,131,478.25

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Solution

The fourth proportional to 135,629,240.41, 203,187,852.41 and 80,131,478.25 is: 120,045,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,629,240.41 : 203,187,852.41 = 80,131,478.25 : x
  2. Step 2: Convert to fraction form
    135,629,240.41/203,187,852.41 = 80,131,478.25/x
  3. Step 3: Cross multiply
    135,629,240.41x = 203,187,852.41 × 80,131,478.25
  4. Step 4: Simplify right side
    135,629,240.41x = 16,281,742,976,256,454
  5. Step 5: Solve for x
    x = 16,281,742,976,256,454/135,629,240.41
  6. Step 6: Final answer
    x = 120,045,964.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.